Johnson Space Center Director Mark Geyer addresses visitors attending the graduation of the 2017 Class of Astronauts
| Uploaded by | NASA Johnson |
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| License | CC BY-NC-ND 2.0 |
| Comments | 0 |
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| Views | 23,709 |
| Date taken | 2020-01-10 10:32:25 |
| Date uploaded | 2020-01-10 |
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| Visibility | public |